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python Programming Glossary: attributesWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python can assign it to a variable you can copy it you can add attributes to it you can pass it as a function parameter e.g. print ObjectCreator.. False ObjectCreator.new_attribute 'foo' # you can add attributes to a class print hasattr ObjectCreator 'new_attribute' True.. class for inheritance can be empty dictionary containing attributes names and values e.g. class MyShinyClass object ... pass can..
In Python, how do I determine if an object is iterable? http://stackoverflow.com/questions/1952464/in-python-how-do-i-determine-if-an-object-is-iterable is list like and not string like then the key is the attributes __getitem__ and __iter__ In 9 hasattr 1 2 3 4 '__iter__' Out..
Python: Difference between class and instance attributes http://stackoverflow.com/questions/207000/python-difference-between-class-and-instance-attributes Difference between class and instance attributes Is there any meaningful distinction between class A object.. of the two styles to be significantly different python attributes share improve this question Beyond performance considerations..
http://stackoverflow.com/questions/2709821/python-self-explained Python does not use the @ syntax to refer to instance attributes. Python decided to do methods in a way that makes the instance.. have done something else to distinguish normal names from attributes special syntax like Ruby has or requiring declarations like.. do it entirely everywhere it does do it for instance attributes. That's why assigning to an instance attribute needs to know..
Short Description of Python Scoping Rules http://stackoverflow.com/questions/291978/short-description-of-python-scoping-rules 3rd. Ed. . These rules are specific to variable names not attributes. If you reference it without a period these rules apply LEGB..
What are “named tuples” in Python? http://stackoverflow.com/questions/2970608/what-are-named-tuples-in-python Point namedtuple 'Point' 'x y' ... However as with tuples attributes in named tuples are immutable Point namedtuple 'Point' 'x y'.. mutable recordtypes which allow you to set new values to attributes. from rcdtype import Point recordtype 'Point' 'x y' pt1 Point..
http://stackoverflow.com/questions/472000/python-slots Instead of having a dynamic dict that allows adding attributes to objects at anytime there is a static structure which does..
Why are Python's 'private' methods not actually private? http://stackoverflow.com/questions/70528/why-are-pythons-private-methods-not-actually-private don't accidentally override the private methods and attributes of their superclasses. It's not designed to prevent deliberate..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields model essentially it uses several tables to store dynamic attributes of objects. Great parts about this solution is that it uses.. register a model within EAV # you can access all of EAV attributes Patient.objects.create name 'Bob' eav__age 12 eav__fever no..
Adding a Method to an Existing Object http://stackoverflow.com/questions/972/adding-a-method-to-an-existing-object argument whenever the method is called. Callables that are attributes of a class as opposed to an instance are still unbound though..
What is “thread local storage” in Python, and why do I need it? http://stackoverflow.com/questions/104983/what-is-thread-local-storage-in-python-and-why-do-i-need-it local storage that's where threading.local comes in. Attributes of threading.local are not shared between threads each thread..
Python: List Sorting with Multiple Attributes and Mixed Order http://stackoverflow.com/questions/1516249/python-list-sorting-with-multiple-attributes-and-mixed-order List Sorting with Multiple Attributes and Mixed Order I have to sort a python list with multiple..
http://stackoverflow.com/questions/1548474/python-html-generator its initial i.e. quoting the doc URL I just gave Attributes with the same name as Python keywords class type must be capitalized..
Sanitising user input using Python http://stackoverflow.com/questions/16861/sanitising-user-input-using-python 'href src width height'.split urlAttrs 'href src'.split # Attributes which should have a URL soup BeautifulSoup value for comment..
Accessing dict keys like an attribute in Python? http://stackoverflow.com/questions/4984647/accessing-dict-keys-like-an-attribute-in-python class methods are shadowed e.g. .keys work just fine Attributes and items are always in sync Trying to access non existant key..
Underscore vs Double underscore with variables and methods http://stackoverflow.com/questions/6930144/underscore-vs-double-underscore-with-variables-and-methods Also from David Goodger's Code Like a Pythonista Attributes interface _internal __private But try to avoid the __private..
What method attributes are used in Django? http://stackoverflow.com/questions/7337681/what-method-attributes-are-used-in-django Looks like this is partially covered in PEP 232 Function Attributes . The PEP points to a mailing list post that lists other potential..
Why do we use __init__ in python classes? http://stackoverflow.com/questions/8609153/why-do-we-use-init-in-python-classes attribute called legs of the object in the variable self . Attributes are kind of like variables but they describe the state of an.. # 6 You're not actually declaring anything here. Attributes are like a new kind of variable. Normal variables only have.. distinguish them by their position 0 or 1 in this case . Attributes are variables that are bound to an object. Like with arrays..
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